Is it considered "selling over your brother’s sale" if a company—where my husband works—visits clients who have contracts or agreements with other companies? And how can the company market its services without falling into this prohibited act, especially given the difficulty of knowing all contractors or their contract durations? And is it considered permissible advertising, and not "selling over a sale," if an employee is sent to discuss the company and its services without offering prices, and then waits for the client to request them?
Marketing and displaying are permissible. However, it is forbidden to sell over the sale of one's brother if there has been agreement or mutual consent between the two parties on the price and the commodity, not before that. Likewise, it is not forbidden if the sale becomes binding through offer and acceptance, and the two parties separate without a conditional option, or if the marketer is unaware of anything. As for presenting a company's services and features without mentioning prices, this does not fall under selling over a sale.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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